西瓜霜是一种传统中药，其传统制备方法属于渗出制霜法。先准备新鲜西瓜和芒硝，将西瓜切开，挖出部分瓜瓤，放入芒硝后再将西瓜合拢，用绳子捆好悬挂起来。经过一段时间，西瓜表面会渗出白色的霜体，这就是西瓜霜，轻轻扫入容器中即可。
药用价值：西瓜霜具有清热泻火、消肿止痛的功效。常用于治疗咽喉肿痛、口腔溃疡、牙龈肿痛等病症。它能有效减轻炎症部位的红肿热痛，促进受损黏膜的修复。在一些咽喉类中成药中，西瓜霜是常见的重要成分。
Preparation method: Watermelon frost is a traditional Chinese medicine, and its traditional preparation method belongs to the exudation frost - making method. First, prepare fresh watermelons and mirabilite. Cut the watermelon, scoop out some of the pulp, put in the mirabilite, then close the watermelon, tie it up with a rope and hang it. After a period of time, a white frost will exude from the surface of the watermelon. This is the watermelon frost, which can be gently swept into a container.
Medicinal value: Watermelon frost has the effects of clearing heat, purging fire, reducing swelling and relieving pain. It is often used to treat symptoms such as sore throat, oral ulcers, and gingival swelling and pain. It can effectively reduce the redness, swelling, heat and pain in the inflamed area and promote the repair of damaged mucous membranes. Watermelon frost is a common and important ingredient in some Chinese patent medicines for throat diseases.
